# SDR 4DPA2023013100001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2023
- Submitted: February 1, 2023
- Operation: Air carrier
- Aircraft: [N252JX](https://openairdocs.org/aircraft/N252JX), registered now
- Make and model: Emb EMB-135LR
- Registry model: [EMB EMB-135LR](https://openairdocs.org/model/embraer-emb-135lr) (OpenAirDocs)
- Aircraft serial: 145276
- Aircraft time: 35,772 hours, 32,723 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: None
- Condition: None
- Stage of operation: CL
- How discovered: V
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/4DPA2023013100001

## Discrepancy

CREW REPORTED-CABIN WOULD NOT PRESSURIZE ON CLIMB OUT FROM PHX. RETURNED TO PHX, DESCENT AND LANDING UNEVENTFUL, EXCEPT THE CABIN WOULD NOT PRESSURIZE AT ANY TIME. CORR ACTION- MX PERFORMED PRESSURIZATION CHECKS IN BOTH AUTO AND MANUAL MODES, NO DEFECTS NOTED COULD NOT DUPLICATE.

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